@Article{SCI:Ush2016b,
  author =    "W. Usher and I. Wald and A. Knoll and M. Papka and
              V. Pascucci",
  title =     "In Situ Exploration of Particle Simulations with
              CPU Ray Tracing",
  journal =   "Supercomputing Frontiers and Innovations",
  volume =    "3",
  number =    "4",
  year =      "2016",
  issn =      "2313-8734",
  url =       "http://www.sci.utah.edu/publications/Ush2016b/in_situ_particles.pdf",
}